function showsubmenu(value){
	for (var ii = 0; ii <= 10; ii++){
		var mainbav = document.getElementById("mainbav" + ii);
		var submenu = document.getElementById("submenu" + ii);
		if( mainbav == null ) break;
		if(ii == value){
			submenu.style.display="block";
		}else if(ii != value){
			submenu.style.display="none";
		}
	}
}


function hidden(value, e) {
	
	var obj = document.getElementById("mainbav" + value);
	var submenu = document.getElementById("submenu" +value);
	var e = e || window.event, nowObj = e.toElement || e.relatedTarget;
    var sourceObj=nowObj;
	   while(nowObj && nowObj != obj){
            nowObj = nowObj.parentNode;
	   }
		if(!nowObj){
		submenu.style.display="none";
		 }
	}